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United States Patent | 6,198,051 |
Moshrefzadeh ,   et al. | March 6, 2001 |
Disclosed is a transparent substrate element for electronic displays that includes a transparent base layer, a plurality of independently addressable transparent electrodes disposed on the base layer, and a contiguous metallic coating associated with each transparent conductive electrode to increase the conductivity of the associated transparent conductive electrode, wherein the contiguous metallic coating comprises a periodic array of holes arranged to allow a significant amount of visible light to be transmitted through the substrate element.
Inventors: | Moshrefzadeh; Robert S. (Oakdale, MN); Padiyath; Raghunath (Woodbury, MN) |
Assignee: | 3M Innovative Properties Company (St. Paul, MN) |
Appl. No.: | 425098 |
Filed: | October 22, 1999 |
Current U.S. Class: | 174/255; 174/261; 428/1.62 |
Intern'l Class: | H05K 001/03 |
Field of Search: | 174/255,256,258,260,261 361/760,767,768,771 428/1.1,1.61,1.62 |
5426266 | Jun., 1995 | Brown et al. | 174/267. |
5434363 | Jul., 1995 | Goto et al. | 174/256. |
5500787 | Mar., 1996 | Yoshida | 361/779. |
5805419 | Sep., 1998 | Hundt | 361/719. |